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Finding the Fourth Proportional to 269,313.54, 404,029.47 and 79,788.80

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Solution

The fourth proportional to 269,313.54, 404,029.47 and 79,788.80 is: 119,700.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,313.54 : 404,029.47 = 79,788.80 : x
  2. Step 2: Convert to fraction form
    269,313.54/404,029.47 = 79,788.80/x
  3. Step 3: Cross multiply
    269,313.54x = 404,029.47 × 79,788.80
  4. Step 4: Simplify right side
    269,313.54x = 32,237,024,555.79
  5. Step 5: Solve for x
    x = 32,237,024,555.79/269,313.54
  6. Step 6: Final answer
    x = 119,700.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.